PlantFun
Plant Needs
Sunlight
Full sun to partial shade; produces the most abundant blooms in full sun conditions
Watering
Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
Temperature
Extremely cold hardy to -30°C; tolerates hot summer temperatures with consistent soil moisture
Characteristics
- Leaf: Simple, lanceolate to oblong leaves with serrated margins; medium green turning yellow in fall
- Flower: Dense, flat-topped corymbs of tiny white, 5-petaled blooms
- Stem: Slender, upright to arching woody stems with brownish bark
Care Guide
Watering
Keep soil consistently moist during active growth and flowering periods
Fertilization
Apply balanced slow-release fertilizer once at the start of growing season. Over-fertilization can lead to excessive foliage growth with reduced flowering
Eggshell powder topdressing：Sprinkle 1–2 tbsp of finely crushed, dried eggshell powder around the base of the shrub in early spring; avoid direct contact with stems to prevent irritationPruning
- Deadhead spent flower clusters to encourage prolonged blooming through late summer
- Thin overcrowded stems in late winter to improve airflow and light penetration
- Cut back up to one-third of old wood every 2–3 years to maintain compact growth and vigor
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Non-toxic to cats
Humans: No known toxicity to humans
Garden Uses & Culture
Culture: N/A
Usage: Ornamental garden shrub; attracts pollinators including bees and butterflies
